FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const {
if (this == pOther)
return TRUE;
if (!pOther)
return FALSE;
if (pOther->m_Type != m_Type) {
if (IsReference() && GetDirect())
return GetDirect()->IsIdentical(pOther);
if (pOther->IsReference())
return IsIdentical(pOther->GetDirect());
return FALSE;
}
switch (m_Type) {
case PDFOBJ_BOOLEAN:
return AsBoolean()->Identical(pOther->AsBoolean());
case PDFOBJ_NUMBER:
return AsNumber()->Identical(pOther->AsNumber());
case PDFOBJ_STRING:
return AsString()->Identical(pOther->AsString());
case PDFOBJ_NAME:
return AsName()->Identical(pOther->AsName());
case PDFOBJ_ARRAY:
return AsArray()->Identical(pOther->AsArray());
case PDFOBJ_DICTIONARY:
return AsDictionary()->Identical(pOther->AsDictionary());
case PDFOBJ_NULL:
return TRUE;
case PDFOBJ_STREAM:
return AsStream()->Identical(pOther->AsStream());
case PDFOBJ_REFERENCE:
return AsReference()->Identical(pOther->AsReference());
}
return FALSE;
}
void CPDF_Object::SetString(const CFX_ByteString& str) {
switch (m_Type) {
case PDFOBJ_BOOLEAN:
AsBoolean()->m_bValue = (str == "true");
return;
case PDFOBJ_NUMBER:
AsNumber()->SetString(str);
return;
case PDFOBJ_STRING:
AsString()->m_String = str;
return;
case PDFOBJ_NAME:
AsName()->m_Name = str;
return;
}
ASSERT(FALSE);
}
CFX_ByteString CPDF_Object::GetString() const {
switch (m_Type) {
case PDFOBJ_BOOLEAN:
return AsBoolean()->m_bValue ? "true" : "false";
case PDFOBJ_NUMBER:
return AsNumber()->GetString();
case PDFOBJ_STRING:
return AsString()->m_String;
case PDFOBJ_NAME:
return AsName()->m_Name;
case PDFOBJ_REFERENCE: {
const CPDF_Reference* pRef = AsReference();
if (!pRef->m_pObjList)
break;
CPDF_Object* pObj =
pRef->m_pObjList->GetIndirectObject(pRef->GetRefObjNum(), nullptr);
return pObj ? pObj->GetString() : CFX_ByteString();
}
}
return CFX_ByteString();
}
int CPDF_Object::GetInteger() const {
CFX_AutoRestorer<int> restorer(&s_nCurRefDepth);
if (++s_nCurRefDepth > kObjectRefMaxDepth)
return 0;
switch (m_Type) {
case PDFOBJ_BOOLEAN:
return AsBoolean()->m_bValue;
case PDFOBJ_NUMBER:
return AsNumber()->GetInteger();
case PDFOBJ_REFERENCE: {
const CPDF_Reference* pRef = AsReference();
PARSE_CONTEXT context;
FXSYS_memset(&context, 0, sizeof(PARSE_CONTEXT));
if (!pRef->m_pObjList)
return 0;
CPDF_Object* pObj =
pRef->m_pObjList->GetIndirectObject(pRef->GetRefObjNum(), &context);
return pObj ? pObj->GetInteger() : 0;
}
}
return 0;
}
CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect,
std::set<FX_DWORD>* visited) const {
switch (m_Type) {
case PDFOBJ_BOOLEAN:
return new CPDF_Boolean(AsBoolean()->m_bValue);
case PDFOBJ_NUMBER: {
const CPDF_Number* pThis = AsNumber();
return new CPDF_Number(pThis->m_bInteger ? pThis->m_Integer
: pThis->m_Float);
}
case PDFOBJ_STRING: {
const CPDF_String* pString = AsString();
return new CPDF_String(pString->m_String, pString->IsHex());
}
case PDFOBJ_NAME:
return new CPDF_Name(AsName()->m_Name);
case PDFOBJ_ARRAY: {
CPDF_Array* pCopy = new CPDF_Array();
const CPDF_Array* pThis = AsArray();
int n = pThis->GetCount();
for (int i = 0; i < n; i++) {
CPDF_Object* value = pThis->m_Objects.GetAt(i);
pCopy->m_Objects.Add(value->CloneInternal(bDirect, visited));
}
return pCopy;
}
case PDFOBJ_DICTIONARY: {
CPDF_Dictionary* pCopy = new CPDF_Dictionary();
const CPDF_Dictionary* pThis = AsDictionary();
for (const auto& it : *pThis) {
pCopy->m_Map.insert(std::make_pair(
it.first, it.second->CloneInternal(bDirect, visited)));
}
return pCopy;
}
case PDFOBJ_NULL: {
return new CPDF_Null;
}
case PDFOBJ_STREAM: {
const CPDF_Stream* pThis = AsStream();
CPDF_StreamAcc acc;
acc.LoadAllData(pThis, TRUE);
FX_DWORD streamSize = acc.GetSize();
CPDF_Dictionary* pDict = pThis->GetDict();
if (pDict) {
pDict = ToDictionary(pDict->CloneInternal(bDirect, visited));
}
return new CPDF_Stream(acc.DetachData(), streamSize, pDict);
}
case PDFOBJ_REFERENCE: {
const CPDF_Reference* pRef = AsReference();
FX_DWORD obj_num = pRef->GetRefObjNum();
if (bDirect && !pdfium::ContainsKey(*visited, obj_num)) {
visited->insert(obj_num);
auto* pDirect = pRef->GetDirect();
return pDirect ? pDirect->CloneInternal(TRUE, visited) : nullptr;
}
return new CPDF_Reference(pRef->m_pObjList, obj_num);
}
}
return NULL;
}
XPath_Value *
XPath_Value::ConvertToBooleanL (XPath_Context *context)
{
return MakeBooleanL (context, AsBoolean ());
}
